/*
 * Copyright 2017 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jsoverlaywithjsfunction

import com.google.j2cl.integration.testing.Asserts.assertTrue
import jsinterop.annotations.JsFunction
import jsinterop.annotations.JsOverlay
import jsinterop.annotations.JsPackage.GLOBAL
import jsinterop.annotations.JsType

fun main(vararg args: String) {
  assertTrue(Foo().bar() == 30)
}

@JsType(isNative = true, namespace = GLOBAL, name = "Object")
class Foo {
  @JsOverlay
  fun bar(): Int =
    object : Intf {
        override fun run(x: Int, y: Int): Int = x + y
      }
      .run(10, 20)
}

@JsFunction
private fun interface Intf {
  fun run(x: Int, y: Int): Int
}
